Dr. Chad Aaron Hills, DO
- Medicare services, 2024
- 3,574
- Medicare patients, 2024
- 663
- Part D claims, 2024
- 479
- MIPS score, 2024
- 97
- Hospital affiliations
- 4
- Practice address
- 5301 East Grant Road, Tucson, AZ 85712
- Practice phone
- Call (520) 324-1399
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hills' professional email, personal email and mobile number
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Dr. Chad Aaron Hills is an orthopedic surgeon in Tucson, Arizona
Dr. Hills practices at Tucson Medical Center in Tucson, Arizona, part of TMC HealthCare.
Dr. Hills' NPI, 1801058656, was assigned on July 1, 2008. Dr. Hills graduated from Arizona College of Osteopathic Medicine Mid Western University in 2008. Dr. Hills holds Arizona license 007948.
- NPI
- 1801058656NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800142811
- NPI enumeration date
- July 1, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 324-1399
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chad Aaron Hills practices at Tucson Medical Center in Tucson, Arizona
Dr. Hills' primary practice is Tucson Medical Center, at 5301 East Grant Road, Tucson, AZ 85712 in Pima County. The practice phone is (520) 324-1399.
- Tucson Medical Center5301 East Grant Road, Tucson, AZ 85712 · Pima CountyPhone(520) 324-1399
Source: Dmand AI Affiliation Data
Dr. Chad Aaron Hills is affiliated with 5 sites of care and 1 medical group
Dr. Hills' primary practice is Tucson Medical Center in Tucson, Arizona, part of TMC HealthCare. Dr. Hills is also affiliated with Canyon Vista Medical Center. The medical group on file is Tucson Orthopaedic Institute. Dmand AI also links Dr. Hills to 2 more hospitals and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chad Aaron Hills' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hills practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tucson Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chad Aaron Hills is one of 377 orthopedic surgeons in Arizona
Orthopaedic surgery is Dr. Hills' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Hills' licenses on file in 3 states: Arizona, California and Nebraska.
Specialties and state licenses
- Orthopaedic surgery, ArizonaPrimary
- California license
- Nebraska license
Orthopedic surgeons near Dr. Hills
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Chad Aaron Hills billed Medicare for 3,574 services in 2024
CMS data shows 3,574 Medicare services from Dr. Hills across 17 procedure codes in 2024, for 663 Medicare patients. Medicare paid $253,487 for them.
Dr. Hills' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4,0362024: 1,68658%
- Office and hospital visits
- 2023: 7722024: 7404%
- Imaging
- 2023: 6392024: 6999%
- Surgery
- 2023: 3842024: 3902%
- Tests and treatments
- 2023: 02024: 59
Where Dr. Hills' Medicare services took place, 2024
- In an office3,37995%
- In a facility1955%
Dr. Hills compared with the Arizona median for orthopedic surgeons, 2024
- Dr. Hills
- Arizona median
- Medicare services
- 3,574vs 9883.6 times
- Medicare patients
- 663vs 2872.3 times
- Part D claims
- 420vs 745.7 times
Medians across 343 orthopedic surgeons in Arizona with Dmand AI profiles that report each measure.
Dr. Hills' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chad Aaron Hills treated 663 Medicare patients in 2024, average age 75
CMS counts 663 Medicare patients who saw Dr. Hills in 2024. The largest group is 65 to 74, with 300 patients. 75% of them have arthritis, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hills' median patient age at 73, with 64% women.
Dr. Hills' Medicare patients by age, 2024
Dr. Hills' Medicare patients by sex, 2024
- Women39359%
- Men27041%
Chronic conditions among Dr. Hills' Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure71%
- Mood disorders27%
- Ischemic heart disease26%
- Chronic kidney disease25%
- Depression24%
- Diabetes24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hills' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chad Aaron Hills wrote 479 Medicare Part D claims in 2024
In 2024, Dr. Hills wrote 479 Medicare Part D claims for 247 patients. 99% of them were for generic drugs. CMS names the drug for 420 of them, across 10 drugs with 11 or more claims each, at $3,139 in total drug cost. In 2023, CMS named 679 claims across 13 drugs.
Dr. Hills' Part D claims by kind of drug, 2024
- Generic475 claims99%
- Brand-name and other4 claims1%
Dr. Hills' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hills' Part D claims, 2024
- Opioids43%206 of 479 claims
- Antibiotics22%105 of 479 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6792024: 42038%
Drugs named by CMS: 10 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Chad Aaron Hills scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Hills for performance year 2024, reported as part of a group. Dr. Hills accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 83 procedures of hip replacement by Dr. Hills, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Hills' MIPS scores, performance year 2024
- 97of 100Final score
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Hills ranks in Medicare procedure volume
- Knee replacement
- 92nd percentile97 procedures
- Hip replacement
- 95th percentile83 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Chad Aaron Hills received $6,872 in industry payments from 2017 to 2025
CMS Open Payments shows 75 general payments to Dr. Hills from 9 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 51% of the total. Zimmer Biomet Holdings, Inc. paid the most, $2,530.
General payments to Dr. Hills by program year, 2017 to 2025
General payments to Dr. Hills by kind, 2017 to 2025
- Travel and lodging$3,49251%
- Food and beverage$3,33449%
- Education$461%
Companies that paid Dr. Hills the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chad Aaron Hills graduated from Arizona College of Osteopathic Medicine Mid Western University
Dr. Hills graduated from Arizona College of Osteopathic Medicine Mid Western University in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Chad Aaron Hills's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Chad Aaron Hills
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Chad Aaron Hills' NPI number?
Dr. Chad Aaron Hills' NPI number is 1801058656. It was assigned on July 1, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Chad Aaron Hills?
Dr. Chad Aaron Hills is an orthopedic surgeon in Tucson, Arizona. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Chad Aaron Hills practice?
Dr. Hills practices at 5301 East Grant Road, Tucson, AZ 85712. Dr. Hills' primary practice is Tucson Medical Center in Tucson, Arizona, part of TMC HealthCare. Dmand AI also links Dr. Hills to 2 hospitals and 1 home health agency.
What is Dr. Chad Aaron Hills' office phone number?
The practice phone on file for Dr. Hills is (520) 324-1399.
What is Dr. Chad Aaron Hills' medical license number?
Dr. Hills holds Arizona license 007948, one of the licenses on file in 3 states.
Which states has Dr. Chad Aaron Hills been licensed in?
Dmand AI has state licenses on file for Dr. Hills in Arizona, California and Nebraska.
Which hospitals is Dr. Chad Aaron Hills affiliated with?
Dr. Hills practices at Tucson Medical Center in Tucson, Arizona. Dr. Hills is also affiliated with Canyon Vista Medical Center. Dmand AI links Dr. Hills to 2 more hospitals.
What medical group is Dr. Chad Aaron Hills part of?
Dr. Hills is linked to Tucson Orthopaedic Institute.
Does Dr. Chad Aaron Hills accept Medicare?
Yes. CMS data shows Dr. Hills billed Medicare for 3,574 services in 2024, and Dr. Hills accepts Medicare assignment.
What is Dr. Chad Aaron Hills' MIPS score?
Dr. Hills' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Chad Aaron Hills see?
CMS counts 663 Medicare patients who saw Dr. Hills in 2024, with an average age of 75.
What services does Dr. Chad Aaron Hills bill to Medicare?
In 2024, Dr. Hills' most billed Medicare services were injected or infused drug (J1100), diagnostic imaging (73564) and office visit, established patient (99213).
Where did Dr. Chad Aaron Hills go to medical school?
Dr. Hills graduated from Arizona College of Osteopathic Medicine Mid Western University in 2008.
What drugs does Dr. Chad Aaron Hills prescribe most?
In 2024 Medicare Part D data, Dr. Hills' most prescribed drugs by claims were Oxycodone-Acetaminophen, Amoxicillin and Tramadol HCl.
Has Dr. Chad Aaron Hills received payments from drug or device companies?
CMS Open Payments shows $6,872 in general payments to Dr. Hills from 9 companies from 2017 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Chad Aaron Hills been practicing?
Dr. Hills graduated from medical school in 2008, 18 years ago.
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